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-rw-r--r--src/Fl_cocoa.mm4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/Fl_cocoa.mm b/src/Fl_cocoa.mm
index a0aa4121e..9720977e3 100644
--- a/src/Fl_cocoa.mm
+++ b/src/Fl_cocoa.mm
@@ -1905,8 +1905,10 @@ int Fl_Cocoa_Screen_Driver::h() {
}
// computes the work area of the nth screen (screen #0 has the menubar)
-void Fl_X::screen_work_area(int &X, int &Y, int &W, int &H, int n)
+void Fl_Cocoa_Screen_Driver::screen_work_area(int &X, int &Y, int &W, int &H, int n)
{
+ if (num_screens < 0) init();
+ if (n < 0 || n >= num_screens) n = 0;
fl_open_display();
NSRect r = [[[NSScreen screens] objectAtIndex:n] visibleFrame];
X = int(r.origin.x);